crossmark Draft Genome Sequence of Gordonia sp. Strain UCD-TK1 (Phylum Actinobacteria) Tynisha M. Koenigsaecker,a Jonathan A. Eisen,a,b David A. Coila University of California Davis Genome Center, Davis, California, USAa; Department of Evolution and Ecology and Department of Medical Microbiology and Immunology, University of California Davis, Davis, California, USAb Here, we present the draft genome of Gordonia sp. strain UCD-TK1. The assembly contains 5,470,576 bp in 98 contigs. This strain was isolated from a disinfected ambulatory surgery center. Received 18 August 2016 Accepted 20 August 2016 Published 13 October 2016 Citation Koenigsaecker TM, Eisen JA, Coil DA. 2016. Draft genome sequence of Gordonia sp. strain UCD-TK1 (phylum Actinobacteria). Genome Announc 4(5):e01121-16. doi:10.1128/genomeA.01121-16. Copyright © 2016 Koenigsaecker et al. This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license. Address correspondence to Jonathan A. Eisen, [email protected]. embers of the genus Gordonia are Gram-positive, aerobic assembly pipeline (8, 9), 577,554 quality reads remained in 95 Mbacilli that are commonly isolated from soil and water (1). scaffolds, with 22ϫ coverage and a GC content of 67.8%. Genome Previously classified in the genus Rhodococcus, they are frequently completeness was estimated using the Phylosift software (10), misidentified as such following biochemical testing (2). Some which searches for a list of 37 highly conserved, single-copy Gordonia species are opportunistic pathogens that have been im- marker genes (11), all of which were found in this assembly in a plicated in nosocomial infections, particularly in immunocom- single copy. promised patients or those with medical devices, such as catheters Annotation was performed using RAST (12). Gordonia sp. (1, 3). strain UCD-TK1 contains 5,032 coding sequences, and 64 non- Gordonia sp. strain UCD-TK1 was isolated from a patient chair coding RNAs. A partial-length 16S sequence (857 bp) was ob- in the recovery room of an ambulatory surgery center in Redding, tained from RAST and analyzed using BLAST. As expected, top CA, USA, as part of an ongoing undergraduate research project to hits (100% identity), included G. terrae and G. lacunae, along with provide microbial reference genomes from the built environment. unnamed Gordonia species. A phylogenetic tree was generated, as The chair had been cleaned with CaviCide, an Environmental described above, and again was unable to resolve the taxonomy Protection Agency–approved disinfectant, prior to swabbing. A between the two strains. Two G. terrae whole-genome sequences sterile cotton-tipped applicator (Puritan) was used to swab the have been published, but none for G. lacunae. Therefore, we were surface of the chair and then plate the sample on lysogeny broth unable to assign a species name to this organism without further agar. The plate was incubated at 37°C for 5 days. Individual colo- biochemical/chemotaxonomic characterization. nies were streaked for isolation and, once isolated, were used to Accession number(s). This whole-genome shotgun project make an overnight culture that was incubated at 37°C. DNA was has been deposited at DDBJ/EMBL/GenBank under the accession extracted from the overnight culture following the protocol of a number LZMP00000000. The version described in this paper is Promega Wizard Genomic DNA purification kit. The 16S rRNA the first version, LZMP01000000. gene was amplified using PCR with 27F and 1391R primers. DNA was then purified and used for Sanger sequencing in which DNA is ACKNOWLEDGMENTS replicated in the presence of dideoxynucleotides generating vary- Sequencing was performed at the DNA Technologies Core, University of ing lengths of DNA sequences. Sequences are then ordered by size California, Davis, Davis, CA, USA. Funding was provided by the Alfred P. and base to reconstruct the original DNA sequence. The resulting Sloan Foundation through a grant to J.A.E. and D.A.C. via the “Microbi- consensus sequence was analyzed using BLAST (4). Top hits were ology of the Built Environment” program. aligned using the Ribosomal Database Project (5). The alignment FUNDING INFORMATION was then used to infer a maximum-likelihood phylogenetic tree, This work, including the efforts of David A. Coil and Jonathan Eisen, using Fast Tree (6), which was visualized in Dendroscope (7). The was funded by Alfred P. 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